[PATCH] D55869: Convert some ObjC retain/release msgSends to runtime calls

[Duncan P. N. Exon Smith via Phabricator via cfe-commits]

dexonsmith added a comment.

In D55869#1337692 <https://reviews.llvm.org/D55869#1337692>, @rjmccall wrote:

> Okay.  That's also presumably true for open-source runtimes that support ARC; tagging David Chisnall and Jonathan Schleifer to get their input.


`shouldUseARCFunctionsForRetainRelease()` returns `false` for the other runtimes.  This seems like the right thing to do until/unless they add support.

Would make sense for the driver to additionally imply `-fno-objc-convert-messages-to-runtime-calls` for other runtimes as a bigger hammer?


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  https://reviews.llvm.org/D55869/new/

https://reviews.llvm.org/D55869